<template>
  <view>
    <!-- search组件 -->
    <view class="search-box">
      <my-search @click="gotoSearch"></my-search>
    </view>
    
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 导航栏模块 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClick(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 楼层模块 -->
    <view class="floor-list" v-for="(item, i) in floorList" :key="i">
      <view class="floor-title">
        <image :src="item.floor_title.image_src" class="floor-title-img"></image>
      </view>
      <view class="floor-item">
        <view class="left-box">
          <navigator class="left-box-img" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
        </view> 
        <view class="right-box">
          <navigator class="right-box-img" v-for="(item2, i2) in item.product_list" :key="i2" v-if="i2 !== 0" :url="item2.url">
            <image :src="item2.image_src" :style="{width: item2.image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
        </view>
        
      </view>
    </view>
    
  </view>
</template>

<script>
export default {
  data() {
    return {
      // 轮播图的数据列表
      swiperList: [],
      // 导航栏数据
      navList: [],
      // 楼层模块数据
      floorList: []
    };
  },
  onLoad() {
    // 调用方法 获取数据
    this.getSwiperList();
    this.getNavList()
    this.getFloorList()
  },
  methods: {
    aa(i) {
      console.log(i); 
    },
    // 获取轮播图数据
    async getSwiperList() {
      const { data: res } = await uni.$http.get('/api/public/v1/home/swiperdata');
      // console.log(res)
      // 请求失败时
      if (res.meta.status !== 200) return uni.$showMsg()
      // 请求成功 把数据赋值给swiperList
      this.swiperList = res.message
    },
    
    // 获取导航栏数据
    async getNavList() {
      const { data: res } = await uni.$http.get('/api/public/v1/home/catitems');
      // 请求失败时
      if (res.meta.status !== 200) return uni.$showMsg()
      // 请求成功 把数据赋值给navList
      this.navList = res.message
    },
    // 点击导航栏跳转到对应tabbar
    navClick(item) {
      if(item.name == '分类')
      uni.switchTab({
        url: '/pages/cate/cate'
      })
    },
    // 获取楼层数据
    async getFloorList() {
      const { data: res } = await uni.$http.get('/api/public/v1/home/floordata');
      console.log(res);
      // 请求失败时
      if (res.meta.status !== 200) return uni.$showMsg()
        
      // 对数据进行处理
      res.message.forEach(floor => {
      // console.log(floor);
      // 循环两次后 自定义url属性 把地址存进去 再赋值给floorList
        floor.product_list.forEach(prod => {
          prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
        })
      })
      // 请求成功 把数据赋值给floorList
      this.floorList = res.message
    },
    gotoSearch() {
      uni.navigateTo({
        url: '/subpkg/search/search'
      });
    }
  }
}
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }
  
  .nav-list {
    display: flex;
    height: 160rpx;
    .nav-item {
      flex: 1;
      padding: 10rpx 30rpx;
      .nav-img {
        height: 100%;
        width: 100%;
      }
    }
  }
  
  .floor-list {
    height: 500rpx;
    .floor-title {
      height: 60rpx;
      .floor-title-img {
        height: 100%;
        width: 100%;
      }
    }
    .floor-item {
      display: flex; 
      padding-left: 10rpx;
      .right-box {
        display: flex;
        flex-wrap: wrap;  
        justify-content: space-around;
      }
    }
  } 
  .search-box {
    // 吸顶效果 即类似绝对定位到顶部 但绝对定位不行不知道为啥
    position: sticky;
    top: 0;
    z-index: 999;
  } 
</style>
